Rffl Recombinant Protein Antigen


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Product Details

Reactivity HuSpecies Glossary
Applications AC

Order Details

Rffl Recombinant Protein Antigen Summary

A recombinant protein antigen with a N-terminal His6-ABP tag corresponding to human RFFL.

Source: E.coli


E. coli
Protein/Peptide Type
Recombinant Protein Antigen
>80% by SDS-PAGE and Coomassie blue staining


  • Antibody Competition 10 - 100 molar excess
Application Notes
This peptide is useful as a blocking peptide for NBP1-83427.
Protein was purified by IMAC chromatography. The expected concentration is greater than 0.5 mg/ml. This product is produced on demand, estimated shipping date is 4 weeks after the order is placed.

For further blocking peptide related information and a protocol, click here.
Theoretical MW
26 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Packaging, Storage & Formulations

Store at -20C. Avoid freeze-thaw cycles.
PBS and 1M Urea, pH 7.4.
No Preservative
>80% by SDS-PAGE and Coomassie blue staining


This product is intended to be used as a blocking antigen for antibody competition assays. Any other use of this antigen is done at the risk of the user. The use of this product for commercial production is strictly prohibited. Please contact technical support if you have any questions.

Alternate Names for Rffl Recombinant Protein Antigen

  • CARP-2
  • Caspase regulator CARP2
  • Caspases-8 and -10-associated RING finger protein 2
  • E3 ubiquitin-protein ligase rififylin
  • EC 6.3.2
  • EC 6.3.2.-
  • Fring
  • FYVE-RING finger protein Sakura
  • rififylin
  • ring finger and FYVE-like domain containing 1
  • RING finger and FYVE-like domain-containing protein 1
  • RING finger protein 189
  • RING finger protein 34-like
  • RNF189CARP2


RFFL, also known as Rififylin, RING finger and FYVE-like domain-containing protein 1, FYVE-RING finger protein, Sakura, Fring, Caspases-8 and -10-associated RING finger protein 2, CARP-2, Caspase regulator CARP2, RING finger protein 189 and RING finger protein 34-like, is a novel modulator of NF-kB activation. RFFL possesses E3 ubiquitin protein ligase activity and has been shown to regulate the levels of CASP8 and CASP10 by targeting them for proteasomal degradation. RFFL also possesses anti-apoptotic activity and may bind phosphatidylinositol phosphates. RFFL is a membrane bound cytoplasmic protein that is expressed ubiquitously. RFFL can be detected in spleen, thymus, prostate, testis, ovary, small intestine, colon and peripheral blood leukocytes and is rapidly degraded after stimulation with TNFSF10, and probably by caspases. Multiple transcript variants have been detected for this protein.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. This product is guaranteed for 1 year from date of receipt.

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Gene Symbol RFFL